Successful Social web sites keep users engaged. One popular engagement feature is Questions and Answers (Q&A), where users can ask questions and experts (or any user) can answer. Qhub, a service that allows you to setup a Q&A section on your site has pushed the envelope by releasing its Qhub API that could enhance your Q&A offering in your application and increase its reach via applications.
||ASPFAQs is a publicly available reference service provided by 4GuysFromRolla.com to assist developers working with ASP.NET. The FAQ pages are available on the website, or they can be accessed...||Q&A||08.31.2012|
||From their site: Answerbag is a community of people helping others. We're here to help you connect with others and to find and share knowledge. Any topic you can dream of, you can ask it here....||Q&A||02.15.2007|
||AnswerHub is an enterprise-level Q...||Q&A||04.25.2013|
||Ask SciPy is a question and answer site for the Python programming language directed at the sciences, math, engineering and finance. The Ask SciPy system is based on Solace, an open source q...||Q&A||06.29.2011|
||Ask500People allows users to create polls that can be voted on by anyone via the web. Once a question is posed, people are free to vote and discuss the question further. Users can also view...||Q&A||12.02.2011|